Best Kryptonite Cycling U-Locks of 2025

The Kryptonite Mini-7 U-Lock offers robust security for your bicycle. Its 13mm hardened steel shackle is designed to withstand bolt cutters and leverage attacks, ensuring your bike remains safe. The patent-pending hardened double deadbolt design enhances protection against twist attacks, providing peace of mind. Additionally, the higher security disc-style cylinder is resistant to picking and drilling, adding an extra layer of security. With a new sliding dust cover, you can keep the lock mechanism clean and functional, making it easier for you to secure your bike quickly.

The Kryptonite U-Lock is designed to provide exceptional security for your bicycle or scooter. Its higher security disc-style cylinder is pick and drill resistant, ensuring that your lock remains secure against tampering. Additionally, the patent-pending hardened double deadbolt design adds extra protection against twist attacks, giving you peace of mind when locking up your ride. With the included FlexFrame U Bracket, you can conveniently transport the U-Lock in multiple locations, making it easier for you to carry on your journeys.

The Kryptonite Keeper 12 is an affordable U lock designed for use in moderate crime areas, providing you with peace of mind while securing your bicycle. Its 12 mm hardened steel shackle offers robust protection against tampering and cutting, ensuring your bike remains safe. The high security Bent Foot design adds an extra layer of protection, making it more difficult for thieves to leverage the lock. With a model number of GK997955, this lock is a reliable choice for everyday cyclists looking to safeguard their investment.

The Kryptonite U-Lock Bracket Kit mounts quickly and easily, allowing you to securely transport your U-lock without hassle. It supports the most common sizes of U-locks, ensuring versatility for various users. With compatibility for both 13mm and 16mm round shackles, you can rest assured that it will fit your security needs. The 360-degree rotation feature enables you to micro-adjust the position, providing added convenience when attaching it to your bike frame.

The Kryptonite U-Lock is a reliable choice for securing your bicycle or scooter. Its easy-to-use design means you can quickly lock up your bike, providing you with peace of mind. Made with premium quality materials, this lock offers high security, ensuring that your vehicle remains safe from theft. The 12.7mm shackle adds an extra layer of protection, making it difficult for potential thieves to cut through. With a mounting bracket included, you can conveniently carry the lock with you wherever you go.

The Kryptonite Cycling U-Lock offers a durable design that ensures your bike remains secure against theft. Its easy-to-use feature allows you to lock and unlock your bike quickly, providing convenience when you're on the go. This product represents excellent value for money, making it a smart choice for cyclists who want reliability without breaking the bank. With these features combined, you can feel confident that your bike is well protected.

The Kryptonite KryptoLok offers a complete security solution with its U-lock and included 4-foot Kryptoflex cable. This combination allows you to secure both your frame and wheels, providing peace of mind while you park your bike. Additionally, it features a Key Safe Program, ensuring that you can easily replace lost keys. With a security rating of 6/10, it offers reasonable protection for everyday use. Furthermore, it is Sold Secure Bicycle Gold certified, indicating that it meets high standards for bicycle security.

The Kryptonite U-Lock offers robust security for your bicycle with its interior locking dimensions of 3.25" x 9.5" and exterior dimensions of 5.5" x 12". Its patent-pending hardened double deadbolt design enhances protection, making it more resistant to twist attacks, which is essential for keeping your bike safe. With anti-theft protection, you can enjoy peace of mind knowing that you are covered for up to £2,500 for one year. This lock is an excellent choice for cyclists seeking reliable and effective security solutions.

The Kryptonite New York Lock offers robust security for cyclists. Its 16mm hardened MAX-Performance steel shackle provides formidable resistance against cutting and tampering. The patented dual deadbolt design enhances protection against twist attacks, ensuring your bike remains safe. Additionally, the disc-style cylinder is designed to be pick and drill resistant, giving you peace of mind when locking up. With the Transit Flex Frame-U system, you can carry the lock conveniently, making it a practical choice for daily use.

The Kryptonite Mini U-Lock offers robust security for your bicycle. Its 18mm hardened steel shackle resists cutting and provides peace of mind. You will appreciate the double deadbolt design, which adds extra protection against twisting attacks. The highest security disc-style cylinder is both pick and drill resistant, ensuring your lock remains secure. Additionally, the patented steel sleeve over the crossbar provides double security, making it an excellent choice for safeguarding your bike.